Victor Grenu

Senior AWS Cloud Infrastructure Architect

Moves to Paris, Courbevoie, Rueil-Malmaison

  • 48.8546
  • 2.34771
  • Rate On demand
  • Experience 7+ years
  • Response rate 100%
  • Response time 4h
Propose a project The project will only begin when you accept Victor's quote.

Availability not confirmed

Propose a project The project will only begin when you accept Victor's quote.

Location and geographical scope

Location
Paris, France
Can work in your office at
  • Paris and 10km around
  • Courbevoie and 10km around
  • Rueil-Malmaison and 10km around

Preferences

Project length
  • ≤ 1 week
  • ≤ 1 month
  • Between 1-3 months
  • Between 3-6 months
  • ≥ 6 months
Business sector
Would prefer avoiding:
Banking & Insurance
Company size
  • 11 - 49 people
  • 50 - 249 people
  • 250 - 999 people
  • 1000 - 4999 people
  • ≥ 5000 people

Verifications

Influence

Github

Github : z0ph z0ph
  • 67 Followers
  • 17 Repos
  • 12 Gists

Stack Overflow

Stack Overflow : zoph zoph
  • 178 Reputation
  • 10 Bronze
  • 1 Silver
  • 0 Gold

Twitter

Twitter : zoph zoph
  • 757 Followers
  • 8272 Tweets

Languages

  • Français

    Native or bilingual

  • Anglais

    Full professional proficiency

Skills (21)

Victor in a few words

My name is Victor GRENU, I'm a kind of Problem Solver, Ethical Hacker, Cloud Security Aficionados. Living in Paris, France. I’m working as a Cloud Architect mainly on Amazon Web Services (AWS), designing: secure, scalable, reliable and cost-effective cloud architectures, dealing with large-scale and mission-critical distributed systems.

I’ve also a good experience of Operations, Modern Applications, Micro-services, Cloud Security Advisory, Infrastructure Refactoring, Security Hardening (DevSecOps), Cost Saving (FinOps) and Go to Cloud Strategy & Governance.

I’ve passed several AWS Certifications:
- 📐 AWS Certified Solutions Architect - Professional
- 🔒 AWS Certified Security - Specialty
- 👨‍💻 AWS Certified Developer - Associate
- 📏 AWS Certified Solutions Architect - Associate
- 👷‍♂️ AWS Certified SysOps Administrator - Associate

Experience

Engie - Engie

Energy & Utilities

Senior AWS Cloud Infrastructure Architect

Paris, France

January 2020 - Today

ENGIE (Turnover: 65B€ / 150k employees)

- ✏️AWS Architecture Design
- 👮🏻‍♂️Cloud Security Advisory
- 👨🏻‍💻Referent on Cloud Native AWS Architectures

Projects I'm working on:
- E&C - Discover Contracts (Big Data Project - Decision-Making transformation)
- Group Procurement - Supplier Portal on AWS (Invoices follow-up for 314 000 suppliers and ENGIE Workforce)
- ENGIE UK - SAP S/4 HANA on AWS (Greenfield)
- Advisory on multiple AWS Projects: Architecture Design, Security, Big Data and Analytics

Engie - Engie

Energy & Utilities

Senior Cloud Infrastructure Architect

Paris, France

October 2018 - December 2019

ENGIE (Turnover: 65B€ / 150k employees)

Working as a Cloud Architect on Group Datalake Platform on AWS: Common Data Hub (CDH)

- ⛅ Cloud-Native & Serverless Architecture
- 📐 Architecture Design (Security Driven)
- 🔐 Security Hardening & Best Practices (DevSecOps)
- 💸 FinOps Strategy and Optimizations
- 🍃 Agile Organization with Scrum Framework (Two Pizza-team)
- 🤝 Onboarding ENGIE's Business Unit on Common Data Hub (Worldwide)
- ⚙️ Technical Stack: CloudFront, S3, GraphQL, DynamoDB, Lambdas (Python), RDS PostgreSQL, Kinesis Stream, Glue (Spark), Athena, EMR, Github Enterprise, Cloudformation, Jenkins.

Mediametrie

Film & Audiovisual

Cloud Architect

Levallois-Perret, France

June 2017 - October 2018

Mediametrie (Turnover: 97,6 M€ in 2016 - 700 employees - IT Department: 140+ people)

Mediametrie is handling Billions of requests every day with Multi Terabytes of data collected in highly resilient and scalable infrastructure.

Cloud Architect: Responsible for the "Internet" Products: Streaming, Web Analytics, Google Panel, Podcasts, Tablet, French Online Press Analytics etc...

My role consists of:
- 📐 Architecture Design
- 👨🏻‍🍳 Projects Management
- 💸 Cost Saving (FinOps)
- 🔍 Cloud Advisory & Governance
- 🌱 Proof of Concept
- 📖 Documentation
- 🔐 Security Enhancements
- 🎮 Workshops & GameDay Organization

Projects:
- Workloads migration to AWS (Design / Project Management)
- Datacenter Migration to AWS
- Lead Architect on Streaming and OneNext Products

Cost Saving (FinOps):
- EMR migration from On-Demand to Spot instances: 62% savings (> 64k$ / year)
- Waste detection & remediation
- FinOps tool deployment to IT manager and product owner
- EC2 / RDS / ElastiCache Reserved Instance Planning
- Current AWS Billing : > 1,8M$ / year

Cloud Governance
- Compliance automation with CloudCustodian, AWS Config
- AWS Multi-Region Project

About Mediametrie technical stack:
- Environnement: AWS Public Cloud: Amazon Linux, RedHat, Debian, FreeBSD, CentOS
- Infrastructure: AWS Multi-AZ / Multi-Region (10+ Accounts), Hadoop Clusters (AWS EMR), Serverless (Lambda, Athena, DynamoDB), S3, RDS, Oracle, MongoDB, ELK, Apache/Nginx, Docker
- 750+ hosted EC2 instances or VMWare VM on Amazon Web Services (AWS) or 3 Datacenters (Equinix)
- DevOps Pipeline & Tooling: GitLab, Ansible, Terraform (Infrastructure as Code), Consul, XLRelease, DataDog, PagerDutty

Feature Teams Organization using Agile: SCRUM Methodologie: DevSecOps / teams (5-10 people).

Education

Certifications

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